#include <53func.h>
int main(int argc, char *argv[])
{
    // ./0_B 1.pipe
    ARGS_CHECK(argc,2);
    int fdr = open(argv[1],O_RDONLY);

    char buf[4096] = {0};
    read(fdr,buf,sizeof(buf));

    printf("buf = %s\n", buf);
    
    return 0;
}

